Lamp unit



FIG. 1 is a top perspective view of a lamp unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof, the back view, right side view and left side view being identical to the front view;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof with the lamps being omitted;

FIG. 6 is a cross-sectional view taken along lines VI—VI in FIG. 5;

FIG. 7 is an illustrative perspective view showing the lamp unit with a translucent cylindrical cover and a metallic base being attached thereto, the translucent cover and the metallic base shown in broken lines forming no part of the claimed design; and,

FIG. 8 is another illustrative perspective view showing the lamp unit with a reflector, covers and a code being attached thereto, the reflector, the covers and the code shown in broken lines forming no part of the claimed design. 

The ornamental design for a lamp unit, as shown and described. 